题目内容：

They think Shanghai is the best city in the world同义句
They think Shanghai is the best city in the world.同义句
They think Shanghai______ ______ ______ _______city in the world.
He went to Hong Kong for a short stay.对划线部分提问（划线部分：for a short stay）
______ ______ he _______ to Hong Kong?

优质解答

They think Shanghai【is better than any 】city in the world.
【Why did 】he 【go 】to Hong Kong?